R5F21272SNFP#U0 Renesas Electronics America, R5F21272SNFP#U0 Datasheet - Page 181

IC R8C/27 MCU FLASH 32LQFP

R5F21272SNFP#U0

Manufacturer Part Number
R5F21272SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21272SNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 14.15
Timer RB Secondary Register
Timer RB Primary Register
Timer RB Prescaler Register
b7
NOTES:
b7
NOTES:
b7
NOTE:
1.
2.
3.
4.
1.
2. When the TSTOP bit in the TRBCR register is set to 1, the TRBPR register is set to FFh.
1.
The values of registers TRBPR and TRBSC are reloaded to the counter alternately and counted.
The count value can be read out by reading the TRBPR register even w hen the secondary period is being counted.
When the TSTOP bit in the TRBCR register is set to 1, the TRBSC register is set to FFh.
To w rite to the TRBSC register, perform the follow ing steps.
(1) Write the value to the TRBSC register.
(2) Write the value to the TRBPR register. (If the value does not change, w rite the same value second time.)
The values of registers TRBPR and TRBSC are reloaded to the counter alternately and counted.
When the TSTOP bit in the TRBCR register is set to 1, the TRBPRE register is set to FFh.
Sep 26, 2008
Registers TRBPRE, TRBSC, and TRBPR
b0
b0
b0
Timer mode
Programmable w aveform
generation mode
Programmable one-shot
generation mode
Programmable w ait one-shot
generation mode
Timer mode
Programmable w aveform
generation mode
Programmable one-shot
generation mode
Programmable w ait one-shot
generation mode
Timer mode
Programmable w aveform
generation mode
Programmable one-shot
generation mode
Programmable w ait one-shot
generation mode
Page 162 of 453
(2)
(1)
TRBPRE
Symbol
TRBSC
Symbol
Symbol
TRBPR
Mode
Mode
Mode
(3, 4)
Disabled
Counts timer RB prescaler underflow s
Disabled
Counts timer RB prescaler underflow s
(one-shot w idth is counted)
Counts timer RB prescaler underflow s
Counts timer RB prescaler underflow s
Counts timer RB prescaler underflow s
(one-shot w idth is counted)
Counts timer RB prescaler underflow s
(w ait period w idth is counted)
Counts an internal count source or timer RA
underflow s
Address
Address
Address
Function
Function
Function
010Dh
010Eh
010Ch
(1)
(1)
Setting Range
Setting Range
Setting Range
After Reset
After Reset
After Reset
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
FFh
FFh
FFh
14. Timers
WO
WO
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
(2)
(2)

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